SPY vs THOR
State Street SPDR S&P 500 ETF Trust vs Thornburg Premium Income Builder ETF
Which is better, SPY or THOR?
SPY costs less.
SPY has a lower expense ratio.
MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.
Side-by-Side Comparison
| Metric | SPY | THOR |
|---|---|---|
| Expense Ratio | 0.09%Best | 0.79% |
| AUM | $804.7B | $24M |
| Dividend Yield | 0.98% | 0.00% |
| Holdings | 505 | 55 |
| YTD Return | +12.09%Best | +3.48% |
| 1Y Return | +16.29% | - |
| 3Y Return (annualized) | +21.20% | - |
| 5Y Return (annualized) | +13.37% | - |
| Fund Family | State Street Investment Management | Thornburg Investment Management |
| Category | Equity | Equity |
| Style | Large Cap Blend | Large Cap Blend |
| Inception | Jan 22, 1993 | Jun 22, 2026 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window, Top 10 Weight.
SPY vs THOR growth
Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.
SPY vs THOR Performance
State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management and Thornburg Premium Income Builder ETF (THOR) is an ETF from Thornburg Investment Management. Year to date, SPY is up 12.09% versus a gain of 3.48% for THOR.
Past performance does not guarantee future results.
Fees and Cost Over Time
SPY charges 0.09% per year while THOR charges 0.79%. On a $10,000 position that is $9 vs $79 annually, a gap of $70 per year that compounds over a long holding period. On income, SPY currently yields 0.98% against 0.00% for THOR.
Holdings Overlap
At least 6.1% of SPY's money is in holdings THOR also owns.
Stated as a floor: for THOR, our book for it covers 94.5% of that fund, so a holding it does not list is one we cannot count as shared. The real figure is this or higher.
SPY and THOR share little of their money.
11 positions in common, counted across the 504 positions we hold weights for in SPY and 53 in THOR, against full books of 505 and 55.
Top Shared Holdings
| Stock | Weight in SPY | Weight in THOR | Difference |
|---|---|---|---|
| AVGOBroadcom Inc | 2.66% | 2.35% | 0.31% |
| KMBKimberly-Clark Corp. | 0.05% | 3.94% | 3.89% |
| TBBAt&t Inc | 0.27% | 3.18% | 2.91% |
| MRKMerck & Company Inc | 0.56% | 2.13% | 1.57% |
| CMECme Group, Cl A | 0.16% | 2.46% | 2.30% |
| ABBVAbbvie Inc. | 0.70% | 1.84% | 1.14% |
| MDTMedtronic Plc Ordinary Shares | 0.18% | 1.97% | 1.79% |
| RFRegions Financial Corp. | 0.04% | 1.96% | 1.92% |
| CSCOCisco Systems Inc. - Ordinary Shares | 0.66% | 0.79% | 0.13% |
| HDHome Depot Inc/The | 0.48% | 0.95% | 0.47% |
You are not choosing between two funds in isolation.
Whichever of SPY and THOR you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, SPY or THOR?
SPY has an expense ratio of 0.09% while THOR charges 0.79%. SPY is the cheaper option, by $70 a year on a $10,000 investment.
What is the holdings overlap between SPY and THOR?
At least 6.1% of SPY's money is in holdings THOR also owns. Our book for THOR is partial, so the real figure is this or higher. They hold 11 positions in common, counted across the 504 positions we hold weights for in SPY and 53 in THOR.
Which pays a higher dividend, SPY or THOR?
SPY yields 0.98% while THOR yields 0.00%, so SPY currently pays the higher dividend yield.
Is THOR better than SPY?
SPY has a lower expense ratio. Which one suits a particular account depends on what it is for. This is information, not a recommendation.